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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1c2f87c225
memblock is now fully integrated into the kernel and is the prefered method for tracking memory. Rather than reinvent the wheel with meminfo, migrate to using memblock directly instead of meminfo as an intermediate. Acked-by: Jason Cooper <jason@lakedaemon.net> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Leif Lindholm <leif.lindholm@linaro.org> Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
98 lines
2.0 KiB
C
98 lines
2.0 KiB
C
/*
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* linux/arch/arm/mach-footbridge/cats-hw.c
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*
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* CATS machine fixup
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*
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* Copyright (C) 1998, 1999 Russell King, Phil Blundell
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*/
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#include <linux/ioport.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/screen_info.h>
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#include <linux/io.h>
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#include <linux/spinlock.h>
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#include <asm/hardware/dec21285.h>
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#include <asm/mach-types.h>
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#include <asm/setup.h>
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#include <asm/mach/arch.h>
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#include "common.h"
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#define CFG_PORT 0x370
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#define INDEX_PORT (CFG_PORT)
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#define DATA_PORT (CFG_PORT + 1)
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static int __init cats_hw_init(void)
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{
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if (machine_is_cats()) {
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/* Set Aladdin to CONFIGURE mode */
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outb(0x51, CFG_PORT);
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outb(0x23, CFG_PORT);
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/* Select logical device 3 */
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outb(0x07, INDEX_PORT);
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outb(0x03, DATA_PORT);
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/* Set parallel port to DMA channel 3, ECP+EPP1.9,
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enable EPP timeout */
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outb(0x74, INDEX_PORT);
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outb(0x03, DATA_PORT);
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outb(0xf0, INDEX_PORT);
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outb(0x0f, DATA_PORT);
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outb(0xf1, INDEX_PORT);
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outb(0x07, DATA_PORT);
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/* Select logical device 4 */
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outb(0x07, INDEX_PORT);
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outb(0x04, DATA_PORT);
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/* UART1 high speed mode */
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outb(0xf0, INDEX_PORT);
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outb(0x02, DATA_PORT);
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/* Select logical device 5 */
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outb(0x07, INDEX_PORT);
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outb(0x05, DATA_PORT);
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/* UART2 high speed mode */
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outb(0xf0, INDEX_PORT);
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outb(0x02, DATA_PORT);
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/* Set Aladdin to RUN mode */
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outb(0xbb, CFG_PORT);
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}
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return 0;
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}
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__initcall(cats_hw_init);
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/*
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* CATS uses soft-reboot by default, since
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* hard reboots fail on early boards.
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*/
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static void __init
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fixup_cats(struct tag *tags, char **cmdline)
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{
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#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
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screen_info.orig_video_lines = 25;
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screen_info.orig_video_points = 16;
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screen_info.orig_y = 24;
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#endif
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}
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MACHINE_START(CATS, "Chalice-CATS")
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/* Maintainer: Philip Blundell */
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.atag_offset = 0x100,
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.reboot_mode = REBOOT_SOFT,
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.fixup = fixup_cats,
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.map_io = footbridge_map_io,
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.init_irq = footbridge_init_irq,
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.init_time = isa_timer_init,
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.restart = footbridge_restart,
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MACHINE_END
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